ABB NCAN-02, Installation And Startup Manual

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NCAN-02 Installation and Start-up Guide 7-1
Chapter 7 – Diagnostics
Overview
This chapter describes the functions and indications of the Status LEDs
on the NCAN-02 CANopen Adapter Module to help solving problems
that may arise.
Status LEDs There are three status LEDs on the NCAN-02 module, labelled DDCS,
NS (Network Status) and MS (Module Status). The LEDs are bicolour
(green/red) with white diffused lens.
The LED indications are as follows:
LED Mode Description
DDCS
Flashing Green DDCS initialisation in progress.
Green DDCS communication established.
Flashing Red DDCS communication errors.
NS
Flashing Green
Pre-operational – waiting for CANopen
“Start” command.
Green Node started.
Red
Network error (see Parameter CUT-OFF
TIMEOUT in Chapter 5).
MS
Green Module OK.
Red
CAN controller error (CAN controller
error bit set, TX queue overrun, cable
disconnected or faulty).
DDCS, NS
and MS
Flashing Red SRAM test failed.
Green -> Red -> Green
(approx. 1 second each)
Module self-test.
NS and MS Flashing Red ROM checksum test failed.